Home / 2,683.98-4,026.78-2,219.64

Finding the Fourth Proportional to 2,683.98, 4,026.78 and 2,219.64

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Solution

The fourth proportional to 2,683.98, 4,026.78 and 2,219.64 is: 3,330.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,683.98 : 4,026.78 = 2,219.64 : x
  2. Step 2: Convert to fraction form
    2,683.98/4,026.78 = 2,219.64/x
  3. Step 3: Cross multiply
    2,683.98x = 4,026.78 × 2,219.64
  4. Step 4: Simplify right side
    2,683.98x = 8,938,001.96
  5. Step 5: Solve for x
    x = 8,938,001.96/2,683.98
  6. Step 6: Final answer
    x = 3,330.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.